Pathogen : Monster plague

Changelog : -entirely reworked the corrupted swamp biome -added 6 swamp themed structures that will spawn in the corrupted swamp biome -Spores will no longer summon mutants. Instead, this task is now achieved by eggsacks or huge spores blocks -tweaked the cooldown of spawners -ender creatures are no longer vulnerable to ender poison effects though they won't be killed by the flora in the corrupted end -ender creatures are no longer -tweaked every swamp related structures -added an auto item killing upon match start to prevent lagging due to corrupted biomes generation -added commands to disable item killing -reduced the vegetation in corrupted swamp biome and added new custom trees, mushrooms and structures -Nerfed the spawn of synthetisers from zombies